docs: def create_bitcoind_service_proxy(
      rpc_username, rpc_password, server='127.0.0.1', port=8332, use_https=False):
      """ create a bitcoind service proxy
      """
      protocol = 'https' if use_https else 'http'
      uri = '%s://%s:%s@%s:%s' % (protocol, rpc_username, rpc_password,
          server, port)
      return AuthServiceProxy(uri)